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HER Number:MDV5587
Name:Tin streamworking by the East Okement River


Evidence of tin streamworking along the left bank of the East Okement River just above Fatherford Viaduct. Characteristic heaps of waste material. There is other evidence of streamworking further upstream as far as the junction of the East Okement with the Moor Brook.


Grid Reference:SX 603 946
Map Sheet:SX69SW
Admin AreaDartmoor National Park
Civil ParishBelstone
Civil ParishOkehampton Hamlets
DistrictWest Devon
Ecclesiastical ParishOKEHAMPTON

Protected Status: none recorded

Other References/Statuses

  • National Monuments Record: SX69SW97
  • National Record of the Historic Environment: 1388101
  • Old DCC SMR Ref: SX69SW/61

Monument Type(s) and Dates

  • STREAMWORKS (Medieval - 1066 AD (Between) to 1539 AD (Between))

Full description

Untitled Source (Migrated Record). SDV257177.

Des=greeves, t. /worksheet. Vis=30/3/1974 (greeves) evidence of tin streamworking along the left bank of the east okement river just above fatherford viaduct. Characteristic heaps of waste material. There is other evidence of streamworking further upstream as far as the junction of the east okement with the moor brook. There are references to a tinwork called westfether in 1487 - this may well refer to the fatherford area and also to a tinwork called lade in 1487. Although the latter was said to be within the forest of dartmoor, descriptions of the forest were often vague, and it is known that the east okement was once known as lede (worksheet).

Untitled Source (Migrated Record). SDV257178.

Des=king, a. C. /dcra survey a30 okehampton bypass - final report/(31/1/1979)/ no.47 in smr.

Untitled Source (Migrated Record). SDV257179.

Des=greeves, t. /archaeological sites within okehampton park and its vicinity/(1978)no e.1 in smr.

Untitled Source (Migrated Record). SDV257180.

Crossing, w. /guide to dartmoor/(1912)207.

Untitled Source (Migrated Record). SDV257183.

Des=english heritage/okehampton bypass (devon)/(1987)12-14/the work of the central excavation unit 1986-7. Evidence of tin streamworking to the se of east okement river includes hollows up to 40m x 17m x 1m deep, mounds up to 17m x 13m x 1.5m high, cuts up to 32m long x 3m wide, scattered hummocks extending for 35m x 12m, spoil heaps, stone clusters + alignments + drainage channels (eh).

Royal Commission on the Historical Monuments of England, 1985, Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP (Cartographic). SDV319854.

Not visible on 1946 RAF / NMR photos.

Kerr, J. B., 1987, A30 Okehampton bypass (Report - Assessment). SDV263825.

(1986) Central Excavation Unit excavations showed quarrying to have started at the riverbank and proceeded inwards, the valley floor deposits being stripped to bedrock. A massive revetment constructed parallel to the river, over which spoil was tipped, leaving a relatively clear working area to the west. This process resulted in the final working hollow with a massive spoil heap towards the river. As extraction proceeded upstream the abandoned working hollow was used to channel water back to the river from the new workings. The outflow channel was prone to choking, and attempts to improve the flow resulted in several phases of stone-built leat. The remains were disturbed by 19-20th century quarry workings. Rectangular hollow 52 was bounded on three sides by embanked tracks/tramways; the hollow itself may have been used as a working floor. Mound 61 was sectioned and appears to have been a spoil heap.

English Heritage, 1987, Okehampton by-pass: field survey, 10-13, 49-72 (Report - Survey). SDV257182.

Probert, S. A. J., 2004, Okehampton Castle and Park, West Devon: Survey Report (Report - Survey). SDV324949.

Alleged streamworking remains on the East Okement River.

Dartmoor National Park Authority, 2006-2012, Woodland Management Survey data (Cartographic). SDV364209.

Sources / Further Reading

SDV257177Migrated Record:
SDV257178Migrated Record:
SDV257179Migrated Record:
SDV257180Migrated Record:
SDV257182Report - Survey: English Heritage. 1987. Okehampton by-pass: field survey. Central Excavation Unit Report. Unknown. 10-13, 49-72.
SDV257183Migrated Record:
SDV263825Report - Assessment: Kerr, J. B.. 1987. A30 Okehampton bypass. Central Excavation Unit. Unknown.
SDV319854Cartographic: Royal Commission on the Historical Monuments of England. 1985. Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP. Royal Commission on the Historical Monuments of England Aerial Photograph P. Cartographic.
SDV324949Report - Survey: Probert, S. A. J.. 2004. Okehampton Castle and Park, West Devon: Survey Report. English Heritage Report. AI/03/2004. A4 Stapled + Digital.

Associated Monuments: none recorded

Associated Finds: none recorded

Associated Events

  • EDV3474 - Earthwork survey of Okehampton Castle and Park
  • EDV8550 - Excavations related to the construction of the A30 Okehampton by-pass

Date Last Edited:May 16 2022 1:49PM